Stop in for a cup of coffee

Well, I got news today about a prior job that I applied for. Not the one with staffing problems, this one I interviewed for back in Dec. I made it to a 2nd interview. They told me there will be a writing exercise with follow up questions about supervisory and leadership. Man, I have frickin butterflies now. I have no idea what a writing exercise interview even is... Not to mention, that they will also be calling my references. Now I have to figure out how to inform my 2 current Supervisors, who are on that list... Any ideas?
If you want, whenever you get it written up, send it to me and I'll proof read it for you.

As for telling the current sups, do it one on one, if they're truly good supervisors, they'll take it well.